On-Site Oxygen for Water & Wastewater

VPSA oxygen for aeration, ozone generation, BOD/COD reduction. Low-energy compared to LOX. Also: aquaculture oxygenation.

Why On-Site O2 for Water

On-site VPSA O2 costs $0.05-0.08/Nm3 vs $0.15-0.25/Nm3 LOX. For a 50,000 m3/day WWTP, annual savings exceed $200,000.

O2-fed ozone generators produce 2-3x more ozone per kWh vs air-fed. Higher O2 purity = higher ozone concentration.

Pure oxygen aeration dissolves 4-5x more O2 in water than air aeration. Handles peak loads without additional blowers.

15-50 Nm3/h90-93%

PSA oxygen for small-medium WWTP. Also suitable for aquaculture.

50-200 Nm3/h93-95%

VPSA for large municipal WWTP. Lowest energy per Nm3 O2.

4 station sizes for water treatment.

Oil-free for VPSA efficiency.

See related process industries.

PSA vs VPSA for water treatment.